Heating

What caused the physical properties of the birthday candle to change?

• it was cooled

• it was heated

• it was placed in a refrigerator

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What type of energy does the Sun produce?

• chemical energy

• solar energy

• sound energy

Tags

NGSS.MS-LS1-6

All of the following physical properties changed when broken crayons were heated/cooled EXCEPT

• size

• color

• smell

• shape

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

Melting, cooking, and burning are

• Actions of cooling.

• Actions of heating.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Melted butter can become solid again with freezing.

• True.

• False.

Tags

NGSS.MS-PS1-4

When food are cooked,...

• Their properties change.

• Their color change only.

• Their texture change only.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS1-2

How do matter change?

• By heating and cooling.

• By heating only

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to the molecules of a substance when it is heated?

• They move slower and come closer together.

• They move faster and spread apart.

• They stop moving completely.

• They change into a different element.

Tags

NGSS.MS-PS1-4

Which of the following is an example of a physical change caused by heating?

• Burning wood

• Melting ice

• Rusting iron

• Baking a cake

Tags

NGSS.MS-PS1-4

When a metal rod is heated, it expands. What is this an example of?

• Thermal contraction

• Thermal expansion

• Chemical reaction

• Phase change

Tags

NGSS.MS-PS1-4